Wiring, Harnesses & Connectors for Classic Cars Internal Wiring Harness Assembly; Pre-1993 GM 4L80E to Later Style Harness; View Details. $152.99 Weatherpack Connector; 3-Pin Male/Female Connector; 16-14 AWG Gauge Includes: (3) Terminal (6) Seals; View Details. $7.19. corvette harness connector/repair kit for all years and models Years-old Corvette wiring harness that has been spliced, modified, dry-rotted or in generally poor condition could lead to an untimely breakdown or much worse, a disastrous fire on your classic Corvette.. Some wires to be deleted are unpinned from the PCM connector, then the pin and wiring removed. The connectors on this PCM have small numbers to label each of the 80 pins in four banks of 20 pins..